Display screen or portion thereof with icon



The sole FIGURE is a front view of a display screen or portion thereof with icon showing our new design.

The peripheral dashed broken lines in the FIGURE shows a display screen or a portion thereof forming no part of the claimed design. The dashed broken line within the peripheral dashed broken line shows a portion of the icon and forms no part of the claimed design. The FIGURE includes a contrast in shading not representing any particular color. 

CLAIM The ornamental design for a display screen or portion thereof with icon, as shown and described. 